Finding the Third Proportional to 1,139,136 and 2,425,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,136 : 2,425,512 = 2,425,512 : x
2. Step 2: Convert to fraction form
   1,139,136/2,425,512 = 2,425,512/x
3. Step 3: Cross multiply
   1,139,136x = 2,425,512 × 2,425,512
4. Step 4: Simplify right side
   1,139,136x = 5,883,108,462,144
5. Step 5: Solve for x
   x = 5,883,108,462,144/1,139,136
6. Step 6: Final answer
   x = 5,164,535.63